---
schema_version: "secwatch.filing_event.v1"
accession: "0001361538-25-000026"
form_type: "8-K"
ticker: "PRIM"
cik: "0001361538"
company_name: "Primoris Services Corp"
filed_at: "2025-06-04T23:59:59+00:00"
generated_at: "2026-05-19T23:44:18.171397+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# Primoris appoints Baker Tilly as auditor after Moss Adams merger effective June 3, 2025

## Summary
- Moss Adams merged with Baker Tilly US, LLP; Moss Adams resigned as Primoris auditor effective June 3, 2025.
- Audit Committee approved Baker Tilly as successor independent registered public accounting firm.
- No disagreements or reportable events between Primoris and Moss Adams during 2023, 2024, and interim period.
- Audit reports for years ended Dec 31, 2024 and 2023 were unqualified; no adverse opinions or modifications.

## SEC filing metadata
- accession: 0001361538-25-000026
- form_type: 8-K
- ticker: PRIM
- cik: 0001361538
- company_name: Primoris Services Corp
- filed_at: 2025-06-04T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 4.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1361538/000136153825000026/0001361538-25-000026-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1361538/000136153825000026/prim-20250603x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001361538-25-000026
- JSON: https://secwatch.observer/filing/0001361538-25-000026.json
- Plain text: https://secwatch.observer/filing/0001361538-25-000026.txt

## Key facts
- Auditor Changes
  Primoris Services Corp engaged Baker Tilly US, LLP as its auditor.
  - Action: engagement
  - Auditor: Baker Tilly US, LLP
  source text: the Audit Committee of the Company’s Board of Directors approved the appointment of Baker Tilly, as the successor to Moss Adams, as the Company’s independent registered public accounting firm effective June 3, 2025
  evidence_url: https://www.sec.gov/Archives/edgar/data/1361538/000136153825000026/0001361538-25-000026-index.htm
- Auditor Changes
  Moss Adams LLP resigned as auditor of Primoris Services Corp.
  - Action: resignation
  - Auditor: Moss Adams LLP
  - Successor: Baker Tilly US, LLP
  source text: ☐ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Item 4.01 Changes in Registrant’s Certifying Accountant On June 3, 2025, Primoris Services Corporation, (the "Company") was notified that Moss Adams LLP ("Moss Adams"), the Company's independent registered public accounting firm, merged with Baker Tilly US, LLP effective on June 3, 2025.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1361538/000136153825000026/0001361538-25-000026-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.